ok i got my car back from shop i got water pump n opti spark put in n a new crank seal.. ok sounds good but they had to put a steal sleave around the crank seal bc it was worn around the crank and they measaured the crankshaft end play n it was a 1/4in. this sounds liek a lot to me. wouldnt i notice it if it was that much. so if i do got this much how long until motor goes boom on me. and any suggestions on doing rebuild or lt4 swap or just get new jasper lt1 thanks. oh yea 94z a4 full bolts on blagh balh thanks

 

Must be a misunderstanding.

Crankshaft end play is usually deemed ok at .004-.010. You're talking about 1/4-inch or .250.... No way jose. Even without a thrust bearing in place it wouldn't be that much.

So yeah, I'm thinking that you misunderstood what they were talking about.... maybe it was something else. Call and talk to the mechanic for clarification.

Good luck.

-Mindgame

 

if it's not burning a lot of oil and there is no real engine noise , i'd replace the crank bearings and rod bearings,or possibly the crank and bearings now instead of when you have a real problem, it sounds like this engine can be saved. the crank would have to be inspected to see if the journals are ok to accept new bearings and what size.
how many miles on it, how hard do you drive it, how much money do you have to spend.
it's hard to believe there is a 1/4 inch of play, both thrust surfaces would have to be almost all the way gone to get that much.
if you didn't already put a bigger cam ,torque converter or port the heads, now would be the time to pull the engine

 

Why the Chicken Little, Sky is falling answer???

The guy just had a front oil seal replaced.... hardly the end of the world, or his engine for that matter. The 1/4 inch endplay statement is not happening and he needs to find out exactly what they were trying to tell him.

-Mindgame

 

he deffently said 1/4 inch end play. i was burnin oil like a champ before. and i got a 2800 stall.

 

yup, it's easy to jump the gun here, double ck the end play, he's probably just looking for a reason to go in and get some more hp ... just kidding, i'll be the silent observer on this one

 

lol i wish that was the case lol

 

.250" can't happen...... even if you had NO THRUST SURFACE on the rear main bearing it wouldn't move that much.

Endplay can only be measured with a dial indicator and pushing the crank for and aft in the block, and as Mindgame said it's only .004-.010 and when it's high it's around .025" or so.

Usually a gain in endplay is caused by a problem with the converter ballooning up and pushing against the crank in a bad way. A motor almost never causes this problem to itself.

Bret

 

thanks for the info guys. i do think my convertor is not workin right. i tryed to lunch it at track on drags n it like boged. i like creaped off the line.. when i go on street tires n lunch it comes out hard. i duno maybe a fluk but ill try it again when track opens again. see how it works

 

i was considering both sides of the thrust bearing being worn very badly, approx .090 thickness each side....either way it can't be .250 because the crank throw to block clearance is less than .100 .
just listen to mindgame and sstrokerace, very knowledgeable people from what i've read, and i'll be a little more careful with any advice